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Home >> Acura >> 2007 >> MDX >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Removal And Installation >> Engine Removal

Engine Removal

Special Tools Required 

NOTE:
  • Use fender covers to avoid damaging painted surfaces.
  • To avoid damaging the wiring and terminals, unplug the wiring connectors carefully while holding the connector portion.
  • Mark all wiring and hoses to avoid misconnection. Also, be sure that they do not contact other wiring, hoses, or interfere with other parts.
  1. Remove the support struts from the engine hood. Move the engine hood to a vertical position, then reinstall the support strut as shown.
    Fig 1: Identifying Support Struts
    G05484536Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).
  3. Drain the power steering system fluid, then plug the fluid reservoir and return hose (see FLUID REPLACEMENT ).
  4. Remove the bulkhead cover (see FRONT BULKHEAD COVER REPLACEMENT ).
  5. Do the battery terminal disconnection procedure (See DISCONNECTION ).
  6. Remove the battery.
  7. Remove the engine cover.
    Fig 2: Identifying Engine Cover
    G05484537Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Disconnect the breather pipe (A), then remove the air intake duct (B).
    Fig 3: Identifying Breather Pipe And Air Intake Duct
    G05484538Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Remove the air cleaner assembly (see AIR CLEANER ELEMENT / REPLACEMENT ).
  10. Remove the main under-hood fuse box (A), then remove the harness clamps (B).
    Fig 4: Identifying Main Under-Hood Fuse Box And Harness Clamps
    G05484539Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Remove the harness clamps (A), then remove the battery base (B).
    Fig 5: Identifying Harness Clamps And Battery Base
    G05484540Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Remove the positive starter cable (A).
    Fig 6: Identifying Positive Starter Cable
    G05484541Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Remove the shift cable (see SHIFT CABLE REPLACEMENT ).
  14. Remove the quick-connect fitting cover (A), then disconnect the fuel feed hose (B) (see FUEL LINE/QUICK-CONNECT FITTING REMOVAL ).
    Fig 7: Identifying Quick-Connect Fitting Cover And Fuel Feed Hose
    G05484542Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Disconnect the brake booster vacuum hose (A), and evaporative emission (EVAP) canister hose (B).
    Fig 8: Identifying Brake Booster Vacuum Hose And Evaporative Emission Canister Hose
    G05484543Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Disconnect the EVAP canister purge valve connector (C).
  17. Remove the steering wheel (see STEERING WHEEL REMOVAL ).
  18. Remove the steering joint cover (A).
    Fig 9: Identifying Steering Joint Cover
    G05484544Courtesy of AMERICAN HONDA MOTOR CO., INC.
  19. Make a reference mark (B) across the steering joint and steering gearbox pinion shaft. Remove the steering joint bolt (C), and loosen the steering joint bolt (D), then disconnect the steering joint from the steering gearbox pinion shaft (E).
  20. Remove the alternator cable (A) from the main under-hood fuse box.
    Fig 10: Identifying Alternator Cable And Main Under-Hood Fuse Box
    G05484545Courtesy of AMERICAN HONDA MOTOR CO., INC.
  21. Remove the coolant reservoir from the bracket.
  22. Remove the bracket (A), then remove the powertrain control module (PCM) cover (B).
    Fig 11: Identifying Bracket And Powertrain Control Module Cover
    G05484546Courtesy of AMERICAN HONDA MOTOR CO., INC.
  23. Remove the harness clamps (A), then disconnect the two PCM connectors (B) and engine wire harness connector (C).
    Fig 12: Identifying Harness Clamps, PCM Connectors And Engine Wire Harness Connector
    G05484547Courtesy of AMERICAN HONDA MOTOR CO., INC.
  24. Remove the drive belt (see DRIVE BELT INSPECTION ).
  25. Remove the power steering (P/S) pump inlet hose (A) and P/S pump outlet hose (B) from the P/S pump, then plug the P/S lines and P/S pump.
    Fig 13: Identifying Power Steering (P/S) Pump Inlet Hose And P/S Pump Outlet Hose
    G05484548Courtesy of AMERICAN HONDA MOTOR CO., INC.
  26. Remove the P/S hose clamp (C) from the cylinder head cover.
  27. Remove the radiator cap.
  28. Raise the vehicle on the lift .
  29. Remove the front wheels.
  30. Remove the splash shield.
    Fig 14: Identifying Splash Shield
    G05484549Courtesy of AMERICAN HONDA MOTOR CO., INC.
  31. Loosen the drain plug in the radiator, and drain the engine coolant (see COOLANT CHECK ).
  32. Drain the automatic transmission fluid (ATF) (see ATF COOLER REPLACEMENT ).
  33. Drain the engine oil (see ENGINE OIL REPLACEMENT ).
  34. Remove the front subframe stiffener.
    Fig 15: Identifying Front Subframe Stiffener
    G05484550Courtesy of AMERICAN HONDA MOTOR CO., INC.
  35. Remove exhaust pipe A.
    Fig 16: Identifying Exhaust Pipe A
    G05484551Courtesy of AMERICAN HONDA MOTOR CO., INC.
  36. Separate the stabilizer links from the dampers (see STABILIZER LINK REMOVAL/INSTALLATION ).
  37. Separate the tie-rod end ball joints from the knuckles (see step 4 on KNUCKLE/HUB BEARING UNIT REPLACEMENT ).
  38. Separate the knuckles from the lower arms (see step 7 on KNUCKLE/HUB BEARING UNIT REPLACEMENT ).
  39. Remove the driveshafts (see FRONT DRIVESHAFT REMOVAL ). Coat all precision-finished surfaces with new engine oil. Tie plastic bags over the driveshaft ends.
  40. Remove the propeller shaft from the transfer shaft flange (see PROPELLER SHAFT REMOVAL ).
  41. Remove the transfer assembly (see TRANSFER ASSEMBLY REMOVAL ).
  42. Disconnect the P/S hose (A), then plug the line and hose.
    Fig 17: Identifying P/S Hose
    G05484552Courtesy of AMERICAN HONDA MOTOR CO., INC.
  43. Disconnect the power steering pressure switch connector.
    Fig 18: Identifying Power Steering Pressure Switch Connector
    G05484553Courtesy of AMERICAN HONDA MOTOR CO., INC.
  44. Remove the transmission lower mount bolts (A) and ground cable (B).
    Fig 19: Identifying Transmission Lower Mount Bolts And Ground Cable
    G05484554Courtesy of AMERICAN HONDA MOTOR CO., INC.
  45. Remove the rear mount bolts (A), and power steering line bracket (B).
    Fig 20: Identifying Rear Mount Bolts And Power Steering Line Bracket
    G05484555Courtesy of AMERICAN HONDA MOTOR CO., INC.
  46. Lower the vehicle on the lift.
  47. Disconnect the A/C compressor clutch connector (A), then remove the A/C compressor (B) without disconnecting the A/C hoses.
    Fig 21: Identifying A/C Compressor Clutch Connector And A/C Compressor
    G05484556Courtesy of AMERICAN HONDA MOTOR CO., INC.
  48. Disconnect the heater hoses (A).
    Fig 22: Identifying Heater Hoses
    G05484557Courtesy of AMERICAN HONDA MOTOR CO., INC.
  49. Disconnect the upper radiator hose (A) and lower radiator hose (B).
    Fig 23: Identifying Upper Radiator Hose And Lower Radiator Hose
    G05484558Courtesy of AMERICAN HONDA MOTOR CO., INC.
  50. Disconnect the ATF cooler hoses from the transmission, then plug the ATF cooler hoses and lines.
    Fig 24: Identifying Plug ATF Cooler Hoses And Lines
    G05484559Courtesy of AMERICAN HONDA MOTOR CO., INC.
  51. Remove the radiator (see RADIATOR AND FAN REPLACEMENT ).
  52. Remove the connector bracket from the front cylinder head; use the bracket bolt hole to attach the engine balance bar front arm.
    Fig 25: Identifying Bracket Bolt
    G05484560Courtesy of AMERICAN HONDA MOTOR CO., INC.
  53. Remove the bracket (A) from the rear cylinder head; use the bracket bolt hole to attach the engine balance bar rear arm.
    Fig 26: Identifying Bracket
    G05484561Courtesy of AMERICAN HONDA MOTOR CO., INC.
  54. Remove the service caps (A) for the front damper flange nuts from the cowl cover (B). Position the engine hanger adapters (VSB02C000031) with the "FRONT" mark facing forward over the damper flange nuts.
    Fig 27: Identifying Engine Hanger Adapters (VSB02C000031)
    G05484562Courtesy of AMERICAN HONDA MOTOR CO., INC.
  55. Install the engine hanger balance bar (VSB02C000019); attach the front arm (A) to the front cylinder head with a spacer (B) and 10 x 1.25 mm bolt (C), attach the rear arm (D) to the rear cylinder head with an 8 x 1.25 mm bolt (E).
    Fig 28: Identifying Front Arm
    G05484563Courtesy of AMERICAN HONDA MOTOR CO., INC.
  56. Install the engine support hanger (AAR-T-12566) to the vehicle, and attach the hook to the slotted hole in the engine hanger balance bar. Tighten the wing nut (F) by hand to lift and support the engine/transmission.
  57. Raise the vehicle on the lift to full height.
  58. Disconnect the front engine mount control solenoid valve tube (A), then remove the front engine mount bolts (B).
    Fig 29: Identifying Front Engine Mount Control Solenoid Valve Tube And Front Engine Mount Bolts
    G05484564Courtesy of AMERICAN HONDA MOTOR CO., INC.
  59. With active damper system: Disconnect the front suspension stroke sensor connectors (A), then remove the harness clamps (B):
    Fig 30: Identifying Front Suspension Stroke Sensor Connectors And Harness Clamps
    G05484565Courtesy of AMERICAN HONDA MOTOR CO., INC.
  60. Loosen the four bolts (A) holding the adjustable arms (B) of the front subframe adapter (EQS02BMDXSBO) to its center plate.
    Fig 31: Identifying Bolts Holding Adjustable Arms Of Front Subframe Adapter (EQS02BMDXSBO)
    G05484566Courtesy of AMERICAN HONDA MOTOR CO., INC.
  61. Line up the slots in the arms with the bolt holes on the corner of the jack base, then attach the front subframe adapter (A) to the jack base with the bolts (B) that came with the jack. Tighten all bolts securely.
    Fig 32: Front Subframe Adapter To Jack Base With Bolts With Torque Specification
    G05484567Courtesy of AMERICAN HONDA MOTOR CO., INC.
  62. Raise the jack to vehicle height, then attach the front subframe adapter to the front subframe using the subframe stiffener mounting bolts (C) and bolt holes.
  63. Remove the six 12 x 1.25 mm bolts (A) securing the subframe stiffeners (B), the four subframe mounting bolts (C), and the stiffeners, then lower the front subframe (D).
    Fig 33: Identifying Subframe Mounting Bolts
    G05484568Courtesy of AMERICAN HONDA MOTOR CO., INC.
  64. Lower the vehicle and attach a chain hoist (A) to the engine hook (B) and transmission hook (C). Lift up on the engine/transmission until it's securely supported by the chain hoist, then remove the engine support hanger and the engine balance bar from the engine and vehicle.
    Fig 34: Identifying Chain Hoist, Engine Hook And Transmission Hook
    G05484569Courtesy of AMERICAN HONDA MOTOR CO., INC.
  65. Remove the mounting bolts from the upper half of the side engine mount bracket.
    Fig 35: Identifying Side Engine Mount Bracket Mounting Bolts
    G05484570Courtesy of AMERICAN HONDA MOTOR CO., INC.
  66. Check that the engine/transmission is completely free of vacuum hoses, fuel and coolant hoses, and electrical wiring.
  67. Slowly lower the engine/transmission about 150 mm (6 in.). Check once again that all hoses and electrical wiring are disconnected and free from the engine/transmission, then lower it all the way.
  68. Disconnect the chain hoist from the engine/transmission.
  69. Raise the vehicle all the way on the lift, then remove the engine/transmission from under the vehicle.
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